Wire winding apparatus



'Sept 26,` 1939. c. R. BOLTON Er n., 2,174,376

WIRE WINDING APPARATUS 6 Sheets-Sheet 2 Filed June 8, 1$37 I 1 l I l Sept. 26, 1939. l c. R. BOLTON E r AL WIRE wmnnie APIAMTUS -Fned June e, 4195'! s sneets-snet s Fig. 3.

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C. R. BOLTON ET-'AL sept. 26, 1939,

A WIRE WINDING APPARATUS Filed June 8, '1957 6 Sheets-Sheet 5 Sept. 26, i939. c. R. BOLTON Er AL 2,174,375

WIRE wrmmie APPARATUS y Patente'clSept. 26, 1939 f WIRE WINDING APPARATUS Charles Richard Bolton, Waver'tree, Liverpool,

Anthony Lawrenson,

' Eccleston, Edward Spencer Hargreaves, Rainhill, and Waldo John Clements and William Austin Brown, Eccleston Park, Prescot, England, assignors to,

British Insulated Cables Limited, Prescot,`

Lancashire, England, a British company 'Application June 8', 1937, Serial No.- 147,122 In Great Britain June 12, 1936 10 Claims.

For winding wire and other long iiexible artivcles (hereinafter f or convenience referred to as wire) on a block, spool, drum or other support (hereinafter referred to as block for convenience) there are two vprincipal methods available.

'Ihe more usual method is to lead the wire in a direction generally at right angles to the' axis of the block and to rotate the block about this axis so as to draw the Wire on and wind it round the block. The other method is to lead the wire in a direction which 'is generally parallel with the axis of the block, to hold the block stationary and to carry that part of the wire which is directly adjacent to the block in a circle about the l5 axis of the block and outside the periphery of the block; by this movement the wireis laid on to the surface of the block.

'I'he latter method has the advantage over the former that it does not require the stopping ofl the feed to the block (that is the take-up by.

the block) when the accumulated wire has to be removed fromthe block. 'Ihis wire can be taken oli at one end of the block while the further supply is being laid on at the other end. The method, however, has the disadvantage that the effect of Winding the wire on to the stationary block is to put a twist into the wire. The result of this is .that the wire does not lie dead or inert upon the block but tends to spring away therefrom so that the coils of wire on ,the block do not lie closely and evenly upon the block. An object of the present invention is to providea construction of winding machine in which the above mentioned disadvantage is avoided. In a machine for winding wire on to a stationary block, according to the present invention, the wire is brought into the machine at a point on a continuation of the axis 4of the block and -it is then deflected away from this axis and is carried in acircular path round the axis of the block, and before the wire .is deected away from the Y axis of the block', it is drawn through a rotatably mounted die which is coaxial with the stationary 'L block. This die rotates with the winding mechanism and serves to nullify the eiect of the twist put into the wire as it is approaching the machine.. Between the'die and the place at which the wire is wound on to the block, the wire is carried round bodily `without twist. `The die, preferably, is placed at the extreme end of the machine so as to be clear of the rest of the mechanism and readily accessible for lubrication. It has been found that it is essential to lubricate the die as the wire passesthrough it as otherwise n the length of life of the die, although thi? draft may bev comparatively slight, is veryv short. Owing to the fact that the die is placed on the axis of the block, it can be, readily lubricated in spite of the fact that it is rotating.

The invention will be further described with the aid of the accompanying drawings, which show different constructions of the kind in which the -wire is wound on a block which is held stationary by a fixed ring which is coaxial with the block and through which-tthe'wire travels, anda transmitting gear of the sun and planet type working between the fixed ring and the block.

Figure 1 is a side elevation, partly in section, of one form of construction, the section being taken on the line I-I of Figure 2.

Figure 2 is a plan view of Figure 1v and Figure 3 is an end elevation, looking in the direction of the arrows shown in Figure 1, but with some parts omitted.

Figure 4 is a sectional elevation on the line IV-IV of Figure 5, showing a modified form of construction, and

Figure 5 is an end elevation, looking'in' the direction of the arrows shown in Figure 4, but with some parts omitted.

Figures 6 and 7 show a further modification, Figure 6 being a side elevation in section, and

Figure 7 an end elevation looking Yin thedireetion of the arrows shown in Figure 6.

Referring to Figures l-3, the wire, the path-30 of which is shown by dot and chain line I in `Figure 2, is carried in a circular path about the axis of a stationary block 2 and is wound on to the block by a rotatable winding member formed by a guide pulley I6 mounted on a carrier 3. The latter is driven from a rotatable hollow shaft 4 provided with a pulley wheel 5 which is driven from any convenient source of power. 'I'he block 2 is held stationary by sun and planet gearing comprising sun wheels 6 and 1 and planet pinions 8 and 9, the sun wheel 6 being ilxed to a` ixed ring I0 and the sun wheel 1 being fixed to the block 2. The planet pinions are mounted on a spindle Il having its longitudinal axis disposed parallel with the axis of the block 2, and mounted in the carrier 3.

The hollow shaft 4, carrier 3 and block 2 are coaxially arranged and the laying of the wire `on to the block by the rotation of the carrier 3 and guide pulley I6 draws the wire through the machine from the left-hand end thereof to the right-hand end in the views shown in Figures l and 2. At the left-hand end of the machine there are disposed a'guide l2 and a die I3 which are driven from the pulley wheel li, the guide and die being ooaxial with the shaft 4. carrier 3 and block 2. The wire is drawn through the guide I2, die I3, hollow shaft 4 and it then passes round a guide pulley I4 and out through an aperture I5 in the carrier to the guide pulley I3 tlxed to the carrier and from the guide pulley I6, the wire passes onto the block 2.

It will be seen from Figure 2 that the path of the wire from the guide I2 to the guide pulley I4 is along the continuation of the axis of the block 2 and that at the guide Pulley I4 the wire is deflected from this axis passing out to the exterior of the carrier and around the guide pulley or winding member I5 which is so positioned as to lead the wire on the block 2 in a direction which is at right angles to the longitudinal axis of the block.

The machine is supported in a fixed housing I1 which is bolted to a frame Il, a portion only of which is shown. I'he hollow shaft 4 passes through the housing I1 and is supported on ball bearings I9 in the housing. At its outer end the shaft 4 has mounted on it the pulley wheel 5 which is keyed to the shaft and the drive from the shaft is transmitted to the carrier 3 by a plate 42li fixed to the shaft 4'. The latter passes through a central aperture in the plate and has a ange 2l at its inner end and the plate and shaft are secured to each other by bolts 22. 'Ihe plate 20 is secured to an internal web 23 on the carrier 3 by bolts 24.

In the construction being described the carrier 3 has the form of a drum or frame which houses the sun and planet gearing which permits rotation of the drum but holds the block 2 stationary. The drum also houses the guide pulley I4. As the carrier rotates about the axis of the block 2, the sun wheels 8 and 'l remain stationary and the planet pinions 8 and 8 are carried round the axis of the block and they also rotate on their own axes. The sun wheel 6 is held stationary by' being keyed to a boss 25 on the ring I0. The latter is fixed to the housing I by screws and the shaft 4 passes through the ring.

'I'he planet spindle II to which the planet pinions 8 and 3 are ixed is mounted in ball bearings in the web 23, plate 20 and in an end plate 21 having an outwardly extending boss 28. The end plate 21 is fixed to the carrier and the boss 28 serves to support a shaft 28 fixed to the clock 2. 'Ihe boss is waxial with the block and as the carrier 3 rotates the boss 23 rotates round the shaft 23 which remains stationary. Ball bearings 30 are provided between the boss and the shaft.

The sun wheel 1 is keyed to the shaft 28 and whenthe carrierl 3 is being driven from the shaft 4, the planet pinions 8 and 8 run round the sun wheels 6 and 1 and as the sun wheel l is fixed, the sun wheel 1 will be held stationary so that the shaft 23 and the block 2 will also be held stationary.

The guide pulley I4 is fixed to the hollow shaft 4 and rotates with it. For this purpose the guide pulley is mounted vin ball bearings on a spindle 3I which passes through apertures in a casing 32 fixed to the flange 2l of the shaft 4. The casing 32 is flanged and is fixed to the flange 2I by the bolts 22. the guide pulley I4 through a guide 33 which is placed adjacent to the guide pulley spd has its axis coincident with the axes of the hollow shaft 4 and of the block 2. The guide 33 is held in The wireisled on tov aussie place between the end of the shaft 4' and the casing 32.

It will be seen from Figure 2 that the guide pulley I4 is disposed so that the axes of the shaft 4 and block 2 form a tangent to the periphery of the guide pulley, the axis of the latter being off the axes of shaft 4 and block 2. In order to balance the effect of centrifugal force produced by this out of balance arrangement, the casing 32 has a counterweight 200 fixed to it. For the same reason the carrier 3 has a. counterweight 34 fixed to it in order to balance the second guide pulley I6. The counterweight 34, conveniently, is another pulley similar to the'guide pulley I6.

Openings 35 in the carrier 3 provide accessibility to the guide pulley I4, the casing 32 being open to permit the Wire to be drawn through the guide 33, round the guide pulley I4 and taken out through the aperture I5 in the carrier 3,

The pulley wheel 5 is keyed to the end of the hollow shaft 4 and an overhung bracket 35 is bolted to the pulley wheel 5, the bracket terminating in a plate 31 to which is bolted the guide I2. The plate 31 has a centrally disposed opening 38 and a recess which receives a holder 39 for the die I3. The holder has a centrally disposed aperture 40 and the longitudinal axes of the guide I2, die I3 and openings 38 and 40 are coincident with those of the hollow shaft 4 and block 2.

The die I3 is fixed to the holder 39 and the latter to the plate 31 which forms the end of the bracket 36, and as the latter is bolted to the pulley Wheel 5, it will be appreciated that as the pulley wheel is driven, the die I3 rotates with it and rotates the wire as the latter is drawn through the die. As explained above, the effect of 'winding the wire on to the block 2 is to put a twist in it but by employing a die which,y is caused to rotate with the carrier 3 for the wire and arranging the die coaxially of the block and such that the wire is drawn through the die before it is deflected away from the axis of the block, the effect of the twist in the wire is nulliiled as the Wire is approaching the machine, the wire being carried round bodily without twist, between the die I3 and the place where it is laid on to the block 2.

The bracket 36 provides a support for the die I3 and is carried from the outer end of the hollow rotatable shaft 4 and projects outwards from the end of the machine. This arrangement is particularly advantageous from the point of view of lubrication. As explained above the life of the die is very short unless it is lubricated and the arrangement described permits the die to be readily lubricated. Figure 1 shows that a very simple arrangement for this purpose may be adopted. In that figure, the plate 31 and the parts associated therewith are shown housed in a fixed casing 4I or inclosure having an aperture at its upperend to receive a pipe 42 terminating at the mouth of the guide I2. Lubricating liquid is supplied to the pipe 42 and led from the casing 4I through an outlet pipe 43 placed at the bottom of the casing. The projecting bracket 36 permits the fixed casing 4I to be placed well clear of the rest of the machine.

A further advantage4 resulting from the construction described above is that it may be used for high speed winding as there are no appreciable out of balanced forces, the carrier -3 being in the form of a drum providing a symmetrical arrangement and the guide pulleys being balanced respectively by the counterweights 200 and 34, The planet spindle I I and the parts carried there- -vby are duplicated as shown by chain lines in Figunless enclosed by specially constructed cages.

, toothed v ring In the construction shown in Figures 4 and 5, the wire is drawn through a rotating die I3, around guide pulleys 44 and 45. through a hollow spindle 46 and around a guide pulley or winding member 41 on to a stationary block 2. The

`wire is wound on to the block Vby the rotation of the hollow spindle 46 around the axis of the block; Forthis purpose 'a 4pulley 48 is mounted free to rotate upon a shaft 49, .the longitudinal axis of which ls coincident withgthat of the block 2. The pulley 4B is driven by any sui-table means, for example, by a belt (not shown) which passes through an opening 50 inthe wall of a fixed casing 5I. The pulley 48 carries the hollow spindle 46 and a spindle 52 and both spindles are free to rotate about their own axes. As will be. seen from Figure 5 the axes of the spindles 45 and 52 lie on diierent radii of the pulley 48. Gear wheels 53 and 54 are keyed to the spindle 46, and gear wheels 55 and 55 are keyed tothe spindle 52. The wheel 54 meshes with an internally toothed ring or sun wheel 51 which forms part .of the fixed casing 5I.

wheel 58 which is keyed to a disc 59 mounted on the shaft 49. The block 2 is carried by the disc 59.

When the pulley 48 is driven, the two spindles 46 and 52 are caused to rotate about the axis of the shaft 49 and the planetvrwheel 54 is carried round the ring or sun wheel 51 and caused to rotate on its own axis. vThe wheels 54 and 53 are fixed to the spindle 46 so that the rotation of the planet wheel 54 is transmitted to the wheel 53 and the latter drivesthe wheels 55 and 55 about the axis of the spindle 52. The internally 51, .wheels 54, 5t, 55, 55 and 58 are so proportioned that the sun lwheel 5t is not driven about its own axis but remains stationary, the planet wheel 56 being merelycarried round it. As the sun wheel 58 remains stationary,

the disc 59: and the block 2 will also remain stationary.

In the construction just described, the carrier for the wire comprises the pulley 4t which carries the two spindles 45 and 52. 'Ihe carrier is supported in the fixed casing 5i by the disc 59 and by a second disc 60 which is also mounted on the shaft 49. The perlpheries ofthe discs 59 and 60 are provided with grooves and the wall of the fixed casing 5I on its inner face is also provided with grooves. The grooves inlthe iixed casing and in the discs receive rollers 5| which vare mounted on a spindle 52 carried by the pulley bracket 410 provides for the passage of the wire through the spindle 46 to the guide pulley 41.

The wheel 53 meshes with the wheel 55 and the planet wheel 56, with a sun The guide pulleys 44 and 45 are iixed to a bracket 53 which is carried by the spindle 45 and extends well out from the xed casing 5I. The spindle 45 is free to rotate on its own axis relatively to the bracket 63. The rotatable die [3 is carried by 5 the bracket 53 and rotates therewith. In order to avoid unbalanced forces, the unsymmetrically arranged rotating parts, including the hollow spindle 45. are duplicated, and the bracket 63 is provided with bosses 64 through which pass 10 the' ends of spindle 45.

The guide pulley 44 which is mounted in the bracket 53 is disposed oi the longitudinal axes oi the die I3 and of the block t, and is so arranged that from the die to the guide pulley. 15 the path oi.' the wire is coincident with the axis of the pulley block 2 and is deflected from this axis at the guide pulley44 and as it is drawn round that guide pulley to the guide pulley d5.. From the latter guide pulley to the last guide 2o pulley or winding member 41, the path of. the Wire is parallel tothe axis of the block t. The path of the wire is indicated by dot' and chain linesin Figure d. j

The construction and arrangement of the ro- 2ltatable die I3 which is mounted on the bracket '53 is the same as that shown in Figure l. and

will not, therefore, be further described.

In the construction just described the guide pulf ley or winding member 41 is carricdby the pui- Sli ley 48 which forms a support for. the planet wheels 54 and 55, and the rollers 5l provide bearings for the pulley 48 as the latter rotates within the stationary casing 5i. As will be seen from Figure 4, the pulley 4a has a bearing for the shaft Si 49 which carries the 'blockl 2. The shaft 49 projects beyond the pulley 48 and -at one end carries the block 2, and at the other end enters a boss on the lbracket 53 which carries the die It and projects outwards from one end of the stationn ary casing 5l.

The advantages as regards nullifying the eifect of twist in the wire, ease of lubrication, ca-l pacity for high speed operation and general compactness, apply to the construction shown in Fig,- 45

ures t and 5 as well as to that shown in Fig1 ures 1 3.

In the construction shown in Figures 6 and l", the wire is drawn on to a stationary block 't through a rotatable die I3, round guide pulleys m 65 and 55, through a tube 61, and round a guide pulley 58 on to the block. The tube 6l is mount ed in a carrier 3 mounted in ball bearings inside a nxed casing 5t. Thecarrier has the form of a drum andhas a projecting ange 'Ill which 53 is grooved to receive a belt which serves to rotate the carrier within the fixed casing .69. The

carrier is mounted on ball bearings on a stationary shaft 'I2 to which the block 2 is keyed. The

rier and rotate with it.

' The projecting iiange l0 is continuadas a bracket 13 inv which are mounted planet spindles 14 having planet pinions 15. The block 2 is held stationary by a sun wheel 15 which is iixed to one end ofthe shaft 'I2 and by a second sun wheel which is xed to an overhung bracket 18 forming part ofthe ilxed casing 85. For this purpose, the sun wheel 11 has a boss 19 which 70 passes through a centrally disposed aperture in the bracket 'Il and is keyed to the bracket. The bracket 13 has a long hollow sleeve-like boss 8U which passes through a central hole in the sun wheel 11 and through the boss 10 and extends u for some distance beyond the bracket 18, balll bearings 8| being placed between the bosses 19 and III. A plate 31 housing a die I3 has a boss 82 which encloses the end of the boss 80 and is keyed to it. It will be understood that as the bracket or planet pinion carrier 13 rotates, the boss III and the die I3 ro'tate with it. The boss 3l and die I3 are disposed coaxially of the shaft 12 and block 2. The construction and arrangement of the die are the same as those shown in Figure 1.

The path of the wire from the guide I2to the guide pulley 65 is coincident with the axis of the block 2, the wire being deflected from this path at the guide pulley 65. From the pulley 66 to the pulley 68, the path of the wire is parallell with the axis of the block 2.

The carrier 3 is rotated within the fixed cas' ing B9 so as to cause the planet pinions 15 to run round the sun wheels 16 and 11, this rotary motion being transmitted to the die I3. The rotary motion of the carrier 3 winds the wire on to the block 2. During this motion the block 2, shaft 12, sun wheels 16 and 11 remain stationary..

'Ihe construction just described has the same advantages as those stated in connection with Figures 1-5.

'Ihe guide pulleys 66 and 68 may be duplicated in order to avoid unbalanced forces.

What we claim as our invention is:

1. A machine for winding wire comprising a bearing, a rotatable hollow shaft supported in the bearing and extending beyond each end thereof, a driving member fixed adjacent one end of the shaft, a bracket fixed to the driving member, a die for gripping and rotating the wire carried by the bracket and rotatable therewith, an end plate fixed to the bearing adjacent the other end of the shaft, a rotary drum fixed to the shaft, an end plate fixed to the drum, a boss on the end plate, a shaft 'supported by the boss, a

s stationary block fixed to one end of the shaft,

sun wheels fixed respectively to the end plate carried by the bearing and to the other end of the shaft supported by the boss, a spindleI carried by the drum, planet wheels mounted on the spindle each meshing with a sun wheel, a winding member carried by the drum for winding the wire on to the block, a guide member rotatable with the drum for leading the wire, after it has been drawn through the die and hollow shaft, through an aperture in the drum to the winding member, the sun and planet gearing and the guide member being housed within the drum and the axes of the die and hollow shaft being coincident with the axis of the block.

2. A machine for winding wire comprising a block, means for holding the block stationary, a winding member for carrying the wire in a circular path around the block and winding it thereon, a die for gripping and rotating the wire and rotatable with the winding member and disposed coaxially of the block, and a guide for leading the wire outward from a point on the axis of the block to the winding member.

3. A machine for winding wire comprising a block at one end of the machine, means for holding the block stationary, a winding member for carrying the wire in a circular path around the block and winding it thereon, a die disposed at the other end of the. machine for gripping and rotating the wire and rotatable with the winding l member and coaxial with respect to the block, and guiding means for the wire intermediate the block and the die for leading the wire from a point on the axis of the block outward to the winding member.

4. A machine for winding wire comprising a block, means for holding the block stationary, a winding member for carrying the wire in a circular path around the block and winding it thereon, a die rotatable with the winding member for gripping and rotating the wire and disposed coaxially of the block,` a support for the die rotatable with the winding member and projecting outwards from the end of the machine, a stationary/lubricating casing enclosing the die, and guiding means for leading the wire from a point on the axis of the block outward to the Winding member.

5. A machine for winding wire comprising a block, a bearing, a hollow rotatable shaft in the bearing, coaxial of the block, a die for gripping and rotating the wire also coaxial of the block arid carried at the outer end of the shaft, a housing carried at the inner end of the shaft and supporting the block, sun and planet gearing within the housing for holding the block stationary, and a winding member carried by the housing for carrying the wire round the block and winding it thereon, and guiding means for leading the wire from a point on the axis of the block outward to the winding member, the latter drawing the wire through the die, the hollow shaft and around the guiding means as the winding member moves round the block.

6. A machine for winding wire comprising a stationary casing, bearings in the casing, a rotatable support mounted in the bearings, a winding member carried by the support, a bearing in the support, a shaft mounted in the bearing and projecting beyond the support, a block fixed to the projecting part of the shaft, sun wheels connected ywith the said casing and block, planet wheels carried by the support, a bracket rotatable with the support and the winding member, projecting from the end of the stationary casing remote from the block, a die for gripping and rotating the wire mounted in said bracket and rotatable therewith and disposed coaxlally of the block, and means for guiding the wire from the die to the 'winding member.

'1. A machine for winding wire-comprising a stationary casing, bearings in the casing, a rotatable support mounted in the bearings, a winding member carried by the support, a bearing in the support, a shaft mounted in the bearing and projecting beyond the support, a block fixed to the projecting part of the shaft, a ring of teeth on the inner surface of the stationary casing forming a fixed sunwheel, a second sun wheel connected with the block, planet wheels carried by the support co-operating with the sun wheels, the sun and planet wheels being housed within the stationary casing, a bracket rotatable with the support projecting from the end of the stationary casing remote from the block, a die for gripping and rotating the Wire rotatable with the bracket and disposed co-axially of the block, and means for guiding the wire from the die to the winding member.

8. A machine for winding wire comprising a stationary casing, a pair of discs co-operating with the casing to form bearings, a rotatable support adapted to be driven mounted in said bearings, a shaft passing through the support and extending beyond the discs, a block connected to the shaft, a hollow spindle carried by the support, a winding member rotatable with the support for carrying the wire in .a circular'path alveare with one of said gear wheels, gear wheel fixedl to the hollow spindle meshing with the other of said gear wheels, a second sun wheel formed by an internalring of teeth on the stationary casing, a gear wheel meshing with'said second sun wheel and nxed to the hollow'spindle, a bracket projecting from the end ci the casing remote from the block, rotatable with the support. a die for gripping and rotating the wire mounted in the bracket and rotatable therewith, and disposed coaxial of the shaft and the block, and means for guiding the wire through the dieand the hollow spindle to the winding member.

9. A machine for winding wire comprising a stationary casing, bearings in the casing, a rotatable support inthe bearings, a shaft passing through the support, a block fixed to the shaft projecting from one side of the support, an ex-l y tension bracket nxed tothe stationary casing and projecting therefrom on 'the side remote from the block, a sun wheel i'ixed to the shalt, an externally toothed ring mounted on the extension bracket, and forming a second sun wheel, planet wheels carried by the support co-operating with the sun wheels, the sun and planet` wheels being disposed within the extension bracket, a hollow sleeve projecting through the extension bracket and rotatable with the support, a die connected to androtatable with .the sleeve and vdisposed coaxially of the block, a winding member carried by the support for carrying the wire in a circular path around the axis of the block and for winding it thereon. and means for guiding-thc wire and sleeve to the winding member.

10. A machine for winding wire comprising a shaft, a block fixed to one end and a sun wheel fixed to the other end of the shaft, a support rotatably mounted on the shaft. a tubular member carried by the support, a winding member carried by the support and ldisposed adjacent the block, a guide also carried by the support and disposed adjacent the tubular member on the side remote from the block, a fixed outer casing having 'an aperture, an externally toothed ring forming a second sun ,wheel ilxed to the extension bracket, a planet pinion bracket carried by the support, planet pinions mounted in the bracket` meshing respectively with the sun wheel on the shaft and the externally toothed ring. the extension bracket housing the sun and planet gearing, a sleeve coaxial o! the shaft and block and fixed to the planet pinion carrier and extending through the externally toothed ring and the aperture in the extension bracket, a die for gripping and rotating the wire ixed to the sleeve and rotatable therewith and disposed outside the extension bracket and coaxially of the sleeve, a shaft and block, and a guide for leading the wire, from the sleeve to the guide placed adjacent the tubular member. the wire being drawn through the die, the sleeve, and the tubular member to the winding member while the wire is being wound on to the block.

Y CHARLES RICHARD BOLTON.

vANTHONY LAWRENSON. EDWARD SPENCER HARGRIAVES WALDO JOHN CLEMIN'I'S.

wnmu avm 'mwa l 'through the die for gripping and rotating the 

